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Note Debt Securities Held-to-maturity (HTM debt securities in a continuous unrealized loss position) (Detail) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Debt Securities, Held-to-maturity |  |
Less than 12 months Fair Value | $ 27,471 | $ 0
Less than 12 months Gross Unrealized Losses | 1,165 | 0
12 months or more Fair Value | 13,307 | 36,439
12 months or more Gross Unrealized Losses | 1,703 | 13,356
Total Fair Value | 40,778 | 36,439
Total Gross Unrealized Losses | 2,868 | 13,356
Obligations of Puerto Rico, States and political subdivisions |  |
Debt Securities, Held-to-maturity |  |
Less than 12 months Fair Value | 27,471 | 0
Less than 12 months Gross Unrealized Losses | 1,165 | 0
12 months or more Fair Value | 13,307 | 35,696
12 months or more Gross Unrealized Losses | 1,703 | 13,349
Total Fair Value | 40,778 | 35,696
Total Gross Unrealized Losses | $ 2,868 | 13,349
Other |  |
Debt Securities, Held-to-maturity |  |
Less than 12 months Fair Value |  | 0
Less than 12 months Gross Unrealized Losses |  | 0
12 months or more Fair Value |  | 743
12 months or more Gross Unrealized Losses |  | 7
Total Fair Value |  | 743
Total Gross Unrealized Losses |  | $ 7

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- Definition Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity), in unrealized loss position. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27290-111563 + Details
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